FlashSync

Private, local iPhone photo backup

Back up your photos directly to your Windows PC over Wi‑Fi. No cloud. End‑to‑end encrypted. Fast, reliable, and entirely yours.

Download for Windows (.exe) Portable (.exe)

Works on Windows 10/11 • Electron‑based desktop companion included

Why FlashSync?

  • No cloud or subscriptions — 100% local ownership
  • AES‑256‑GCM end‑to‑end encryption (in transit & at rest)
  • Fast LAN transfers, large file support, resume uploads
  • Optional “Delete after upload” to free device space

Local & private

Your photos never leave your devices. No vendor lock‑in.

Secure by default

End‑to‑end AES‑256‑GCM. Device key stays with you.

Fast over Wi‑Fi

LAN speed transfers with Zstd compression to save time.
1. Install desktop app
Run the Windows installer. Open it to see your PC’s IP and endpoint.
2. Connect from iPhone
Enter your PC’s IP and port in FlashSync on iOS, then tap Test.
3. Back up securely
Pick photos on iPhone and back up to your PC — encrypted and fast.

Direct downloads

If the buttons above don’t work, use the direct links: